It signals a sophisticated, risk-based approach to security that
will save everyone involved time and money.

But PreCheck isn't in place at all that many airports. It doesn't
work with every airline. The dedicated lanes aren't always open.

To help you stay on top of when you can count on a PreCheck lane
and when you'll be taking your shoes and jacket off like everyone
else, Airfarewatchdog created this comprehensive chart,
and shared it with us.

It gives the location, compatible airlines, and hours of
operation for each dedicated lane in the country. Click to
enlarge any of the four pages: